The stage

 According to the book, "The research of Anpanman", it is Japan in Earth where the bread factory is and they live.But, it is not real Japan. It is settled up as the imaginary world. Yanase calls this view of the world "Anpanman World".
 The bread factory is a typical of stages. Anpanman and Jam-ojisan, and so on live there. There are many rooms, but they are freely moved. And, there is also a doghouse for Cheese. However, recentlly, a defect was descovered. Baikinman often attacks the bread factory, so it was completely destroyed twice.
 "Baikinman-castle" is the castle where Baikinman, Dokinchan, Kabirunrun and Horror-man live. Dokinchan's room is neat, but other rooms are very dirty. The circumference of Baikinman-castle is a precipice, so it needs UFO to go out.
 "Toaster Mountain" is the place where Shokupanman was born.
 There are many interesting stages in Anpanman World!